CN208414133U - Co-coagulation air bearing anaerobic biological reactor - Google Patents
Co-coagulation air bearing anaerobic biological reactor Download PDFInfo
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- CN208414133U CN208414133U CN201820342889.5U CN201820342889U CN208414133U CN 208414133 U CN208414133 U CN 208414133U CN 201820342889 U CN201820342889 U CN 201820342889U CN 208414133 U CN208414133 U CN 208414133U
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- air bearing
- flocculation
- anaerobic biological
- biological reactor
- reaction tank
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- 238000005345 coagulation Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 74
- 238000007667 floating Methods 0.000 claims abstract description 35
- 239000010802 sludge Substances 0.000 claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 10
- 229940079593 drug Drugs 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 238000007334 copolymerization reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000013618 particulate matter Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000021332 multicellular organism growth Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of co-coagulation air bearing anaerobic biological reactors.The co-coagulation air bearing anaerobic biological reactor mainly includes bio-reaction zone, dosing mixed zone and flocculation-air floating area, bio-reaction zone is equipped with sludge pipe, three phase separator and riser, dosing mixed zone is equipped with drug dissolving tank, flow control valve and ejector, flocculation-air floating area is equipped with single flow vortex reaction tank, drop flow chamber, Slag Scraping Device, dreg collecting slot, drops flow tube and collection chamber.The utility model combines anaerobic organism reaction and co-coagulation air bearing process, air bearing removal is carried out to particulate matter using the biogas that anaerobic organism reaction generates, copolymerization adhesion effect is generated simultaneously, makes have the characteristics that effluent quality is good, medicament saves, high-efficient and low energy consumption.
Description
Technical field
The utility model belongs to field of environment protection equipment, and in particular to a kind of co-coagulation air bearing anaerobic biological reactor.
Background technique
Anaerobic biological reactor is to convert biogas for useless Organic substance in water using anaerobe, to realize that water quality is net
The device of change.The major advantage of anaerobic biological reactor is: without oxygen supply, generating that biogas energy, excess sludge be few, nutritional requirement
It is low, therefore anaerobic biological reactor has extensive use in processing high concentrated organic wastewater field.By years development, anaerobism is raw
There are many configurations for object reaction utensil, experienced three stage development courses, first generation anaerobic biological reactor, mainly with traditional anaerobism
Digester is representative；Second generation anaerobic biological reactor is mainly with upflow sludge bed reactor (UASB) and anaerobic biofilter
It (AF) is representative；Third generation anaerobic biological reactor is mainly anti-with expanded granular sludge bed reactor reactor (EGSB) and interior circulation
Answering device (IC) is representative.To third generation anaerobic biological reactor, organic volumetric loading can achieve 20kg CODm-3·d-1
More than, and obtain preferable removal rate.
High concentration complexity waste water (such as livestock breeding wastewater, slaughtering wastewater and paper waste) is organic containing a large amount of particulate forms
Pollutant completely removes and needs to undergo hydrolysis-fermentation-methane phase process, and the hydrolysis of granulating material is whole process
Rate-limiting step.Therefore, when handling high concentration complexity waste water, to guarantee certain pollutants removal rate, anaerobic biological reactor
It can only often run at low load, processing potential is suppressed completely.Anaerobic biological reactor efficient process high concentration is complicated
Waste water it may first have to efficiently remove granulating material.Air-floating apparatus is set in waste water treatment engineering usually to remove particulate form object
Matter, but engineering complexity can be improved, it also will increase capital expenditure.For the cultivation industry of small profits, wastewater treatment will be in cost
Water outlet is set to reach discharge standard in low-level, therefore developing the anaerobic biological reactor with air bearing function has important reality meaning
Justice.
Particulate matter and bubble adhesion are the key that air-float technologies, if in dosing coagulant and in elimination of colloid stability cohesion
When the primary reaction stage, small biogas bubble is just first adhered to micro- wadding grain, is then grown up jointly in floating-upward process, with other
Grain object or micro- wadding grain adhesion and aggregation are band gas floccule body, form intergranular wrapped folder and centre bubble builds bridge all existing copolymerization adherency now
As.Anaerobic organism is reacted and is copolymerized adherency and combines by the utility model, has advanced and practicability.
Summary of the invention
The purpose of this utility model is to solve problems of the prior art, and it is raw to provide a kind of co-coagulation air bearing anaerobism
Object reactor.
A kind of co-coagulation air bearing anaerobic biological reactor, including arrange from the bottom to top inhalant region, bio-reaction zone, water outlet
Area, dosing mixed zone and flocculation-air floating area；The water distributor for being equipped with water inlet pipe in inhalant region and being communicated with water inlet pipe one end, water inlet
Area bottom connects sludge pipe；Bio-reaction zone top is equipped with three phase separator, connects riser on three phase separator；It is set in exhalant region
There is effluent weir；Dosing mixed zone is equipped with drug dissolving tank, flow control valve and ejector, and drug dissolving tank passes through the pipe with flow control valve
Road is communicated with the trunnion of ejector, and the import of ejector is communicated with riser；It is equipped with single flow in flocculation-air floating area and is vortexed and reacts
Pond and drop flow chamber, single flow vortex reaction tank are continuous two-part structure, and lower section is back taper tubular, and upper section is circle straight tube
Shape, single flow vortex reaction tank are coaxially disposed along flocculation-air floating district center, and drop flow chamber is by single flow vortex reaction tank outer wall and wadding
Solidifying air flotation zone inner wall clamps, and the outlet of the bottom connection ejector of single flow vortex reaction tank, drop flow chamber bottom is equipped with drop
Flow tube, drop flow tube are connected to water distributor；It drops and is equipped with Slag Scraping Device at flow chamber liquid level, drop flow chamber external rings are arranged with dreg collecting slot, for receiving
Collect the dross scraped by Slag Scraping Device；Dropping has a closed space at the top of flow chamber and dreg collecting slot, form collection reactor and produce gas
Collection chamber, collection chamber be equipped with exhaust pipe.
On the basis of above scheme, each component can also use following preferred embodiment:
The ratio between volume of bio-reaction zone and flocculation-air floating area is 50~100:1.The ratio of height to diameter of bio-reaction zone be 5~
10.Bio-reaction zone cross-sectional area and riser cross-section area ratio are greater than 2500:1, and riser diameter is not more than
50mm.The ratio between single flow vortex reaction tank and the volume of drop flow chamber are 1:2 in flocculation-air floating area.Single flow whirlpool in flocculation-air floating area
It revolves reaction tank bottom inlet and is equipped with guide vane structure.In flocculation-air floating area the bottom cone angle of single flow vortex reaction tank be 30 °~
45 °, the back taper cylinder height and circle straight tube height ratio of single flow vortex reaction tank are 1~2:1.It is filled in bio-reaction zone
Granule sludge bed.
The utility model has the advantages that: 1) flocculation and air bearing simultaneously in flocculation-air floating area carry out, and generates copolymerization adhesion effect,
Medicament saves, short processing time and dross stability are good；2) bio-reaction zone larger ratio of height to diameter is conducive to increase upflow velocity, makes particle
State substance is not deposited in bio-reaction zone but enters flocculation-air floating area with mixed liquor, enhances the removal of granulating material；3)
It uses ejector as chemicals dosing plant in dosing mixed zone, cooperates flow control valve, power can be saved, and mix abundant；4)
Single flow vortex reaction tank has the characteristics that pressure drop is small in flocculation-air floating area, without the pressure for being further added by mixed liquor；5) flocculate gas
The mixing of single flow vortex reaction tank conically shaped part water flow acutely corresponds to the quick whipping process in flocculating experiment in floating region；Straight tube
Part water flow mitigates the process that mixes slowly in corresponding flocculating experiment, and wadding body is removed floating to liquid level by Slag Scraping Device at once, and dross produces
Raw process is stable and removal is quick；6) the big dross of particulate matter formation energy density can be used for the compost recycling energy in waste water, and
Particulate matter is few in water outlet, and effluent quality is good.
Detailed description of the invention
Fig. 1 is co-coagulation air bearing anaerobic biological reactor functional areas schematic diagram；
Fig. 2 is co-coagulation air bearing anaerobic biological reactor structural schematic diagram；
In Fig. 1: inhalant region I, bio-reaction zone II, exhalant region III, dosing mixed zone IV and flocculation-air floating area V；
In Fig. 2: water inlet pipe 1, water distributor 2, sludge pipe 3, three phase separator 4, riser 5, effluent weir 6, drug dissolving tank 7, stream
Control valve 8, ejector 9, single flow vortex reaction tank 10, drop flow chamber 11, Slag Scraping Device 12, dreg collecting slot 13, drop flow tube 14, gas collection
Room 15.
Specific embodiment
The utility model is further elaborated and is illustrated with reference to the accompanying drawings and detailed description.
As shown in Figure 1 and Figure 2, a kind of co-coagulation air bearing anaerobic biological reactor includes being sequentially connected from the bottom to top
Inhalant region I, bio-reaction zone II, dosing mixed zone IV and flocculation-air floating area V, exhalant region III are arranged on bio-reaction zone II
Side.Inhalant region I, bio-reaction zone II, III three of exhalant region are sequentially connected to form a cylindric reactor body, inhalant region
I bottom is funnel-shaped.The water distributor 2 for being equipped with water inlet pipe 1 in inhalant region I and being communicated with 1 one end of water inlet pipe, I bottom of inhalant region
Connect sludge pipe 3, settable control valve on sludge pipe 3.Granule sludge bed is filled in bio-reaction zone II.Bio-reaction zone
II top is equipped with three phase separator 4, connects riser 5 in the gas phase collector outlet of three phase separator 4.Three phase separator 4
Liquid channel is connected to exhalant region III, and effluent weir 6 is equipped in exhalant region III.Dosing mixed zone IV is equipped with drug dissolving tank 7, flow control
Valve 8 and ejector 9, ejector 9 is interior to have a mixing chamber, and the import of ejector 9 extends in mixing chamber, and the pipeline of import
End is in nozzle-like, and mixing chamber is also connected with a trunnion, goes successively to trunnion after water flow is ejected into mixing chamber, based on text
Effect generates negative pressure in mound.Drug dissolving tank 7 is for storing flocculant liquid medicine, and pipeline and jet stream by having flow control valve 8
The mixing chamber of the trunnion front end of device 9 communicates.The import of ejector 9 is communicated with riser 5.Single flow is equipped in flocculation-air floating area V
Vortex reaction tank 10 and drop flow chamber 11, single flow vortex reaction tank 10 are continuous two-part structure, and lower section is back taper tubular,
Upper section is circle straight-tube shape, when water flow enters lower section, will appear turbulent flow formation since diameter constantly becomes larger and is vigorously mixed, and enter
Water flow tends to be steady after upper section, and wadding body is gradually reunited during making contact to be grown.Single flow vortex reaction tank 10 is along flocculation
The setting of V central coaxial of air flotation zone, drop flow chamber 11 clamped by 10 outer wall of single flow vortex reaction tank and V inner wall of flocculation-air floating area and
At, be annularly arranged in outside single flow vortex reaction tank 10, the water flow overflowed in single flow vortex reaction tank 10 can enter drop
Flow chamber 11, and wadding body then rises to liquid level by bubble carrying.The outlet of the bottom connection ejector 9 of single flow vortex reaction tank 10,
It drops 11 bottom of flow chamber and is equipped with drop flow tube 14, drop flow tube 14 is connected to water distributor 2, forms circulation loop.It is equipped at drop 11 liquid level of flow chamber
Slag Scraping Device 12, drop 11 external rings of flow chamber are arranged with dreg collecting slot 13, for collecting the dross scraped by Slag Scraping Device 12；11 He of flow chamber is dropped
There is a closed space at the top of dreg collecting slot 13, formed and collect the collection chamber 15 that reactor produces gas, collection chamber 15 is equipped with row
Tracheae.
The parameter of each component is settable as follows in reactor: the ratio between bio-reaction zone II and the volume in flocculation-air floating area V are
50~100:1.The ratio of height to diameter (H/D) of bio-reaction zone II is 5~10.II cross-sectional area of bio-reaction zone and riser 5 are horizontal
The ratio between area of section is greater than 2500:1, and 5 diameter of riser is not more than 50mm.Single flow vortex reaction tank in flocculation-air floating area V
The ratio between 10 and the volume of drop flow chamber 11 are 1:2.10 bottom inlet of single flow vortex reaction tank is equipped with guide vane in flocculation-air floating area V
Structure.The bottom cone angle of single flow vortex reaction tank 10 is 30 °~45 ° in flocculation-air floating area V, single flow vortex reaction tank 10
Back taper cylinder height and circle straight tube height ratio be 1~2:1.
The method of co-coagulation air bearing anaerobic bio-treated waste water based on above-mentioned reactor, its step are as follows: waste water via
Water inlet pipe 1 enters water distributor 2, and waste water is evenly distributed on I section of inhalant region of reactor, waste water is made to enter biology by water distributor 2
Reaction zone II；In bio-reaction zone II, waste water flows through granular mud bed layer, and dissolved organic matter is converted by microbial action
At biogas, granulating material is then moved up from granule sludge bed hole, at the three phase separator 4 of bio-reaction zone II into
Reaction is discharged from the effluent weir 6 that bio-reaction zone II enters in exhalant region III by isolated reaction solution part in row three phase separation
Device, biogas, reaction solution and does not enter riser 5 from the collector of three phase separator 4 by the mixed liquor that isolated solid forms,
Dosing mixed zone IV is entered by riser 5 again；In dosing mixed zone IV, mixed liquor is projected after entering ejector 9 from nozzle
Into trunnion, using flocculant liquid medicine in pressure drop suck-back drug dissolving tank 7 in the mixing chamber of trunnion front end, the dosage of flocculant is logical
Overcurrent control valve 8 is adjusted；Mixed liquor after dosing enters flocculation-air floating area V by trunnion；In flocculation-air floating area V, mix
It closes liquid and enters single flow vortex reaction tank 10 via guide vane structure entrance, divide the mixing of water flow fierceness to realize in back taper canister portion primary
Reaction, subsequently enters straight drum part, as enlarged-diameter water flow gradually mitigates, realizes wadding body growth；The bladdery wadding body of wrapped folder
Dross is formed floating to liquid level, is collected in dreg collecting slot 13 after being removed by Slag Scraping Device 12, the biogas for escaping liquid level enters collection chamber 15,
Reaction solution after degassing returns to water distributor 2 via drop flow tube 14 from drop flow chamber 11, forms the interior circulation of mixed liquor；In reactor
Sludge is periodically discharged from sludge pipe 3.
The utility model realizes that the key of co-coagulation air bearing process is to bore in flocculation-air floating area single flow vortex reaction tank
Shape canister portion point and straight drum part height ratio pass through conically shaped part and straight drum part height in control single flow vortex reaction tank
Ratio strengthens copolymerization adhesion effect.Reactor will be run under high loads, increased bio-reaction zone sectional area or reduced promotion
Tube section product is to obtain lifting liquid power.
Claims (8)
1. a kind of co-coagulation air bearing anaerobic biological reactor, it is characterised in that: including the inhalant region (I), raw arranged from the bottom to top
Object reaction zone (II), exhalant region (III), dosing mixed zone (IV) and flocculation-air floating area (V)；Water inlet pipe is equipped in inhalant region (I)
(1) and with water inlet pipe (1) one end the water distributor (2) communicated, inhalant region (I) bottom connect sludge pipe (3)；Bio-reaction zone
(II) top is equipped with three phase separator (4), connects riser (5) on three phase separator (4)；Effluent weir is equipped in exhalant region (III)
(6)；Dosing mixed zone (IV) is equipped with drug dissolving tank (7), flow control valve (8) and ejector (9), and drug dissolving tank (7) passes through with stream
The pipeline of control valve (8) is communicated with the trunnion of ejector (9), and the import of ejector (9) is communicated with riser (5)；Flocculate gas
Single flow vortex reaction tank (10) and drop flow chamber (11) are equipped in floating region (V), single flow vortex reaction tank (10) is continuous two
Segmentation structure, lower section are back taper tubular, and upper section is circle straight-tube shape, and single flow vortex reaction tank (10) is along flocculation-air floating area (V)
Central coaxial setting, drop flow chamber (11) clamped by single flow vortex reaction tank (10) outer wall and flocculation-air floating area (V) inner wall and
At the outlet of bottom connection ejector (9) of single flow vortex reaction tank (10), drop flow chamber (11) bottom is equipped with drop flow tube
(14), drop flow tube (14) connection water distributor (2)；It drops and is equipped with Slag Scraping Device (12) at flow chamber (11) liquid level, drop flow chamber (11) external rings
Dreg collecting slot (13) are arranged with, for collecting the dross scraped by Slag Scraping Device (12)；Tool at the top of flow chamber (11) and dreg collecting slot (13) drops
There is a closed space, formed and collect the collection chamber (15) that reactor produces gas, collection chamber (15) is equipped with exhaust pipe.
2. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that bio-reaction zone
It (II) is 50~100:1 with the ratio between the volume of flocculation-air floating area (V).
3. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that bio-reaction zone
(II) ratio of height to diameter (H/D) is 5~10.
4. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that bio-reaction zone
(II) the ratio between cross-sectional area and riser (5) cross-sectional area are greater than 2500:1, and riser (5) diameter is not more than 50mm.
5. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that flocculation-air floating area
(V) the ratio between volume of single flow vortex reaction tank (10) and drop flow chamber (11) is 1:2 in.
6. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that flocculation-air floating area
(V) single flow vortex reaction tank (10) bottom inlet is equipped with guide vane structure in.
7. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that flocculation-air floating area
(V) the bottom cone angle of single flow vortex reaction tank (10) is 30 °~45 ° in, the back taper cylinder of single flow vortex reaction tank (10)
Height and circle straight tube height ratio are 1~2:1.
8. a kind of co-coagulation air bearing anaerobic biological reactor according to claim 1, it is characterised in that bio-reaction zone
(II) granule sludge bed is filled in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820342889.5U CN208414133U (en) | 2018-03-13 | 2018-03-13 | Co-coagulation air bearing anaerobic biological reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820342889.5U CN208414133U (en) | 2018-03-13 | 2018-03-13 | Co-coagulation air bearing anaerobic biological reactor |
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| Publication Number | Publication Date |
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| CN208414133U true CN208414133U (en) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558128A (en) * | 2018-03-13 | 2018-09-21 | 浙江大学 | Co-coagulation air supporting anaerobic biological reactor and its method |
| CN112624323A (en) * | 2020-12-29 | 2021-04-09 | 兰州理工大学 | Defoaming device of MBR (Membrane bioreactor) |
-
2018
- 2018-03-13 CN CN201820342889.5U patent/CN208414133U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108558128A (en) * | 2018-03-13 | 2018-09-21 | 浙江大学 | Co-coagulation air supporting anaerobic biological reactor and its method |
| CN108558128B (en) * | 2018-03-13 | 2023-10-31 | 浙江大学 | Co-flocculation air-float anaerobic bioreactor and method thereof |
| CN112624323A (en) * | 2020-12-29 | 2021-04-09 | 兰州理工大学 | Defoaming device of MBR (Membrane bioreactor) |
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